Scrap conveyors for metal working workshops

Claim 1

A METAL SCRAP CONVEYOR A TROUGH, A ROLLERS MOUNTED ON THE BOTTOM OF THE TROUGH, A RECIPROCATING TRAIN OF ANGLES IRONS MOVABLY MOUNTED ON SAID ROLLERS AND HAVING EACH LEG DISPOSED ON OPPOSITE SIDES OF SAID ROLLERS, EACH ANGLE IRON HAVING AT LEAST ONE SPUR AT ONE END AND AT LEAST ONE UPWARDLY AND FORWARDLY EXTENDING SIDE PLATE AT THE OTHER END, A HORIZONTALLY EXTENDING FIRST PIVOT PIN MEANS MOUNTED IN EACH EDJACENT SPUR AND SIDE PLATE FOR PROVIDING A PIVOT CONNECTION BETWEEN EACH SAID ANGLE IRON, EACH ANGLE IRON FURTHER COMPRISING A PAIR OF BLADES, EACH BLADE HAVING A LOWER EDGE SHAPED SUBSTANTIALLY AS THE PROFILE OF THE BOTTOM OF SAID TROUGH A PAIR OF SECOND PIVOT PINS, MEANS FOR VERTICALLY MOUNTING EACH SECOND PIVOT PINS ON OPPOSITE SIDES OF SAID ANGLE IRON, EACH SAID BLADES PIVOTABLY MOUNTED ON EACH OF SAID SECOND PIVOT PINS IN A VERTICAL PLANE, A PAIR OF V-SHAPED MEANS EACH RIGIDLY MOUNTED ON OPPOSITE LEGS OF SAID ANGLE IRON FOR GUIDING THE SCRAP MATERIAL IN THE TROUGH OUTWARD WHEN SAID ANGLE IRON TRAIN IS MOVING REARWARD AND LIMITING THE DEGREE OF REARWARD PIVOTING MOVEMENT OF SAID BLADES WHEN SAID ANGLES IRON TRAIN IS MOVING FORWARD.